diff --git a/.readthedocs.yml b/.readthedocs.yml
index 91be621..8b77653 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,10 +1,11 @@
 version: 2
 
 build:
-  image: latest
+  os: ubuntu-22.04
+  tools:
+    python: "3.12"
 
 python:
-  version: 3.7
   install:
     - method: pip
       path: .
@@ -12,4 +13,6 @@ python:
         - docs
         - all
 
+# Don't build any extra formats
 formats: []
+
diff --git a/docs/index.rst b/docs/index.rst
index 7af71f5..9737aa6 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -165,7 +165,7 @@ fixes, code, or documentation (no git or GitHub experience necessary):
 
 * `Coding Guidelines <https://docs.astropy.org/en/stable/development/codeguide.html>`_
 
-* `Developer Documentation <https://docs.astropy.org/en/stable/#developer-documentation>`_
+* `Developer Documentation <https://docs.astropy.org/en/latest/index_dev.html>`_
 
 For the complete list of contributors please see the `dust_extinction
 contributors page on Github
diff --git a/dust_extinction/__init__.py b/dust_extinction/__init__.py
index 65b8d0e..b631664 100644
--- a/dust_extinction/__init__.py
+++ b/dust_extinction/__init__.py
@@ -1,9 +1,2 @@
-# Licensed under a 3-clause BSD style license - see LICENSE.rst
-
-# Packages may add whatever they like to this file, but
-# should keep this content at the top.
-# ----------------------------------------------------------------------------
-from ._astropy_init import *   # noqa
-# ----------------------------------------------------------------------------
-
-__all__ = []
+# needed for tests
+from .version import version as __version__  # noqa: F401
diff --git a/dust_extinction/_astropy_init.py b/dust_extinction/_astropy_init.py
deleted file mode 100644
index 327db6c..0000000
--- a/dust_extinction/_astropy_init.py
+++ /dev/null
@@ -1,52 +0,0 @@
-# Licensed under a 3-clause BSD style license - see LICENSE.rst
-
-__all__ = ['__version__']
-
-# this indicates whether or not we are in the package's setup.py
-try:
-    _ASTROPY_SETUP_
-except NameError:
-    import builtins
-    builtins._ASTROPY_SETUP_ = False
-
-try:
-    from .version import version as __version__
-except ImportError:
-    __version__ = ''
-
-
-if not _ASTROPY_SETUP_:  # noqa
-    import os
-    from warnings import warn
-    from astropy.config.configuration import (
-        update_default_config,
-        ConfigurationDefaultMissingError,
-        ConfigurationDefaultMissingWarning)
-
-    # Create the test function for self test
-    from astropy.tests.runner import TestRunner
-    test = TestRunner.make_test_runner_in(os.path.dirname(__file__))
-    test.__test__ = False
-    __all__ += ['test']
-
-    # add these here so we only need to cleanup the namespace at the end
-    config_dir = None
-
-    if not os.environ.get('ASTROPY_SKIP_CONFIG_UPDATE', False):
-        config_dir = os.path.dirname(__file__)
-        config_template = os.path.join(config_dir, __package__ + ".cfg")
-        if os.path.isfile(config_template):
-            try:
-                update_default_config(
-                    __package__, config_dir, version=__version__)
-            except TypeError as orig_error:
-                try:
-                    update_default_config(__package__, config_dir)
-                except ConfigurationDefaultMissingError as e:
-                    wmsg = (e.args[0]
-                            + " Cannot install default profile. If you are "
-                            "importing from source, this is expected.")
-                    warn(ConfigurationDefaultMissingWarning(wmsg))
-                    del e
-                except Exception:
-                    raise orig_error